README.md: remove Codacy shields since there is no free plan anymore and we are not relying on it anyway
README.md: remove Codacy shields since there is no free plan anymore and we are not relying on it anyway

versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup